Myiagra oceanica Pucheran, Voy. Pôle Sud, Zool., 3, 1853, p. 77. (Type locality, Hogoleu = Truk.)

Myiagra oceanica Hartlaub, Journ. f. Ornith., 1854, p. 168 (Carolinen = Truk); Gray, Cat. Birds Trop. Is. Pacific Ocean, 1859, p. 18 (Hogoleu = Truk); Finsch and Hartlaub, Fauna Centralpolynesiens, 1867, p. 94 (Hogoleu = Truk); Gray, Hand-list Birds, 1, 1869, p. 328 (Caroline Is. = Truk); Pelzeln, Journ. f. Ornith., 1875, p. 51 (Hogoleu = Truk); Sharpe, Cat. Birds British Mus., 4, 1879, p. 383 (Hogoleu = Truk); Nehrkorn, Journ. f. Ornith., 1879, p. 403 (Ruk); Finsch, Proc. Zool. Soc. London, 1880, p. 575 (Ruk); Oustalet, Bull. Soc. Philom. Paris, (7), 5, 1881, p. 73 (Carolines = Truk); Schmeltz and Krause, Ethnogr. Abth. Mus. Godeffroy, 1881, p. 353 (Ruk); Reichenow and Schalow, Journ. f. Ornith., 1884, p. 395 (Carolines = Truk); Tristram, Cat. Birds, 1889, p. 200 (Ruk); Wiglesworth, Abhandl. und Ber. Zool. Mus. Dresden, no. 6, 1890-1891 (1891), p. 23 (Ruk); Oustalet, Nouv. Arch. Mus. Hist. Nat. Paris, (3), 7, 1895, p. 196 (Hogoleu = Truk); Nehrkorn, Kat. Eiers., 1899, p. 30 (Ruk); Hartert, Novit. Zool., 7, 1900, p. 5 (Ruk); Matschie, Journ. f. Ornith., 1901, pp. 111, 112, 113 (Ruck); Dubois, Syn. Avium, 1, 1902, p. 283 (Hogoleu = Truk); Reichenow, Die Vögel, 2, 1914, p. 260 (Karolinen = Truk); Takatsukasa and Kuroda, Tori, 1, 1915, p. 54 (Ruk); Wetmore, in Townsend and Wetmore, Bull. Mus. Comp. Zoöl., 63, 1919, p. 204 (Truk); Kuroda, in Momiyama, Birds Micronesia, 1922, p. 64 (Ruk); Hand-list Japanese Birds, 3d ed., 1942, p. 195 (Truk); Baker, Smithson. Misc. Coll., vol. 107, no. 15, 1948, p. 68 (Truk).

Myiagra albiventris Finsch and Hartlaub, Fauna Centralpolynesiens, 1867, p. 93 (Hoguleu = Truk); Giebel, Thes. Ornith., 2, 1875, p. 658 (Carolinae = Truk).

Submyiagra oceanica Mathews, Syst. Avium Australasianarum, 2, 1930, p. 505 (Ruk); Hand-list Japanese Birds, rev., 1932, p. 175 (Truk).

Myiagra oceanica oceanica Mayr, Birds Southwest Pacific, 1945, p. 296 (Truk).

Geographic range.—Micronesia: Caroline Islands—Truk.

Characters.—Adult male: Resembles M. o. freycineti, but larger with crown and nape less green and with less metallic luster; lores and anterior forehead darker gray; chin, throat, and sides of neck more buffy-cinnamon; back, rump, upper wing-coverts, and scapulars less blue and more ashy gray; tibia, wings, and tail more brownish.

Adult female: Resembles adult male, but smaller with less blue and more gray on crown; lores and anterior forehead lighter.

Immature: Resembles adult, but crown and nape grayish, slate-blue; under-parts paler.

Measurements.—Measurements are listed in [table 42].